Henry Carter Hull

Encourages the reader to exercise by following the movements of various animals.

Guests at Little Frog's birthday party include the red fox, the purple butterfly, the orange cat, and other colorful animals. The illustrations are designed to demonstrate the concept of complementary colors.

A very quiet cricket who wants to rub his wings together and make a sound as do so many other animals finally achieves his wish. The cricket's sound is reproduced at the end of the book.